Compact bone

Definition

Compact bone is the dense, hard outer layer of bone that provides strength and structure. It consists of tightly packed cells, blood vessels, and nerves which support the overall function of the skeletal system.

Related terms

Osteon: The fundamental unit of compact bone, consisting of concentric layers (lamellae) of calcified matrix surrounding a central canal containing blood vessels and nerves.

Spongy Bone:

A lighter, less dense type of bone tissue found inside bones, characterized by a porous structure that houses bone marrow and supports hematopoiesis.

Bone Marrow:

A soft tissue inside bones that produces blood cells and contributes to the immune system's functioning